Neutron powder diffraction study (T = 4.2-300 K) and polarization analysis of YBaCuFeO5+δ

A. W. Mombrú, K. Prassides, C. Christides, R. Erwin, M. Pissas, C. Mitros, D. Niarchos

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42 Citations (Scopus)


The crystal and magnetic structures of the perovskite YBaCuFeO5+δ have been studied in the temperature range T = 4.2-300 K by powder neutron diffraction. In addition to the antiferromagnetic ordering transition at TN = 442 K, a commensurate-incommensurate magnetic transition is detected at T′N = 190 K. Below this temperature, two sets of satellite peaks surround the (1/2, 1/2, 1/2) magnetic peak at d ∼ 5.15 Å, collapsing into a single set of satellites below 155 K. Polarization analysis has been performed to confirm the magnetic nature of the (1/2, 1/2, 1/2)± satellites.

Original languageEnglish
Pages (from-to)1247-1258
Number of pages12
JournalJournal of Physics Condensed Matter
Issue number6
Publication statusPublished - 1998 Feb 16
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics


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